fix(deps): update material-ui monorepo to v9

Author: renovate[bot]

frontend/package.json

@@ -13,10 +13,10 @@
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
     "@fontsource/roboto": "^5.2.6",
-    "@mui/icons-material": "^7.3.2",
+    "@mui/icons-material": "^9.0.0",
     "@mui/lab": "^7.0.1-beta.21",
-    "@mui/material": "^7.3.2",
-    "@mui/x-charts": "^8.26.0",
+    "@mui/material": "^9.0.0",
+    "@mui/x-charts": "^9.0.0",
     "@tiptap/core": "^3.13.0",
     "@tiptap/extension-blockquote": "^3.19.0",
     "@tiptap/extension-bold": "^3.13.0",